CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,660)	$ (6,577)	$ (16,175)	$ (22,631)
Other comprehensive loss:
Unrealized gain (loss) on investments	158	(291)	515	(992)
Comprehensive loss	$ (3,502)	$ (6,868)	$ (15,660)	$ (23,623)